23/09/2025
📢 Official Announcement
Devash Control Systems – DCS is pleased to announce the integration of Siemens SION Vacuum Circuit Breakers 3AE5 VCBs into the SIMOPRIME 24kV switchgear, as the official successor to the earlier 3AH5 VCBs.
This new development not only replaces the 3AH5 but also introduces enhanced flexibility with the availability of withdrawable Voltage Transformers (VTs) in addition to the standard rolling on floor truck providing greater adaptability in operation, maintenance, and system reliability.
🔹 Technical Highlights of Siemens SIMOPRIME with SION VCBs
• Rated Voltage: up to 24 kV
• Rated Current: up to 2500 A
• Short-Circuit Breaking Capacity: up to 25 kA
• High Mechanical & Electrical Endurance (M2)
• Compact, maintenance-friendly design with minimal service requirements
• Environmentally friendly vacuum technology
• Withdrawable VT option for flexible system operation and simplified maintenance
• Integration into SIMOPRIME switchgear with full type-test certification to IEC standards
• Fully type-test certification in accordance with IEC 62271-100 & IEC 62271-200
🔹 Key Benefits for Customers
• Adoption of Siemens’ latest medium-voltage technology with improved safety, reliability, and performance.
• Upgrade path for users of legacy 3AH5 VCBs.
• Compliant with IEC standards.
• Approved by the Egyptian Electricity Holding Company (EEHC) for deployment in national power infrastructure.
• Reduced lifecycle cost through proven durability and lower maintenance.
🔹 Devash Commitment
As Siemens’ trusted partner, Devash Control Systems is proud to deliver EEHC-approved medium-voltage solutions, ensuring our customers in Egypt and the region benefit from cutting-edge technology, reliable engineering, and long-term service support.